Now I may be getting this wrong. I'm on the wine while the wife's watching ER or Grey's Autonomy or some such.
Anyway, this guy, Pinkhamster, on the Telltale forums pointed out a game of sketch-ping-pong whereby 25 years ago a Sam & Max fanboy sent Steve Purcell some fan art. Steve took that art, added more and send it back. Mark Martin (fanboy) added more and sent it back. Steve, ditto.
It's in anti-chronological order, so best to quickly scroll down the page and work your way back to the top.
What page? This page.
It's not every day one gets to see Purcell's take on God.